instance method

YAML::DBM#fetch

ydbm.fetch( key, ifnone = nil )

ydbm.fetch( key ) { |key| ... }

# File tmp/rubies/ruby-4.0.0/lib/yaml/dbm.rb, line 59
def fetch( keystr, ifnone = nil )
    begin
        val = super( keystr )
        if String === val
            if YAML.respond_to?(:safe_load)
                return YAML.safe_load( val )
            else
                return YAML.load( val )
            end
        end
    rescue IndexError
    end
    if block_given?
        yield keystr
    else
        ifnone
    end
end

Return value associated with key.

If there is no value for key and no block is given, returns ifnone.

Otherwise, calls block passing in the given key.

See ::DBM#fetch for more information.

See also #each_value #has_value? #each_pair #index also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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